What is the reciprocal of 20/90? Here we will define reciprocal of 20/90, and show you how to calculate the reciprocal of 20/90 in fraction form and decimal form.
The reciprocal of 20/90 is a fraction or a number that when multiplied by 20/90 is equal to 1. To get the reciprocal of 20/90 based on that definition, we can make the following equation where "R" is the reciprocal of 20/90.
(20/90) × R = 1
When we solve for R, we get the answer to the reciprocal of 20/90 as a fraction as follows:
(20/90) × R = 1
R = 90/20
Reciprocal of 20/90 = 90/20
You can check that the answer is correct by confirming that 20/90 times the reciprocal of 20/90 is equal to 1, like this:
20/90 × 90/20 = 1
To find the decimal answer to the reciprocal of 20/90, you divide the numerator of the reciprocal by the demoninator of the reciprocal, like this:
90 ÷ 20 = 4.5
Reciprocal of 20/90 = 4.5
Tip: As you may have inferred from our tutorial above, you can quickly get the reciprocal of any fraction, such as 20/90, by switching the numerator and the denominator.
Reciprocal of a fraction
Do you need the reciprocal of another fraction? No problem! Please enter another fraction below.
Reciprocal of 20/91
Here is the next fraction on our list that we have calculated the reciprocal of.